1 Land contracts or contracts for deed are a security agreement between a seller, called a Vendor, and a buyer, called a Vendee.  The Vendor agrees to sell a property by financing the purchase for the Vendee.
The two DNA strands are held together by interchain hydrogen bonds. H-bonds pair the bases in one chain to the complementary bases in the other chain. (A/T and G/C).
The bonds that holds the two strands of DNA come from where? What type of bond hold two strands of DNA together? Is Each strand in the double helix is identical to the opposite strand? No. Each base (A, G, T, C) pair with their respective base on the opposite strand making them exact opposites of each other.